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Cheap flights from Dublin to Chicago from £335

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Chicago departing on 23/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Brussels Airlines Logo
10:40 - 13:30DUB-ORD
8h 50mdirect
Brussels Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
£342Brussels Airlines
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Wed, 24 Dec - Sat, 10 Jan
Delta Logo
08:50 - 14:20DUB-ORD
11h 30m1 stop
Delta Logo
17:20 - 15:45ORD-DUB
16h 25m1 stop
£343Delta
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Mon, 3 Nov - Mon, 10 Nov
Delta Logo
08:50 - 14:20DUB-ORD
11h 30m1 stop
Delta Logo
18:15 - 15:45ORD-DUB
15h 30m2 stops
£345Delta
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Mon, 3 Nov - Wed, 12 Nov
Multiple Airlines Logo
18:35 - 16:20DUB-ORD
27h 45m1 stop
Multiple Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
£346Multiple Airlines
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Wed, 24 Dec - Sat, 10 Jan
United Airlines Logo
09:00 - 15:10DUB-ORD
12h 10m1 stop
United Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
£348United Airlines
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Wed, 24 Dec - Sat, 10 Jan
Aer Lingus Logo
15:20 - 17:55DUB-ORD
8h 35mdirect
Aer Lingus Logo
19:40 - 09:00ORD-DUB
7h 20mdirect
£350Aer Lingus
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Wed, 3 Dec - Mon, 8 Dec
United Airlines Logo
10:40 - 13:30DUB-ORD
8h 50mdirect
United Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
£352United Airlines
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Mon, 3 Nov - Sun, 9 Nov
Aer Lingus Logo
11:30 - 14:00DUB-ORD
8h 30mdirect
Aer Lingus Logo
21:45 - 15:40ORD-DUB
11h 55m1 stop
£394Aer Lingus
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Sat, 8 Nov - Sat, 28 Feb
Iberia Logo
11:30 - 14:00DUB-ORD
8h 30mdirect
Iberia Logo
10:15 - 08:40ORD-DUB
16h 25m1 stop
£407Iberia
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Wed, 3 Dec - Mon, 8 Dec
British Airways Logo
08:30 - 15:55DUB-ORD
13h 25m1 stop
British Airways Logo
17:10 - 14:35ORD-DUB
15h 25m2 stops
£412British Airways
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Wed, 1 Apr - Wed, 8 Apr

British Airways flights from Dublin to Chicago

Our best British Airways deals on Dublin to Chicago flight tickets
British Airways
31 Oct
DUB20:35Dublin
26h 10m
1 stop
ORD17:45Chicago O'Hare Intl
8 Nov
ORD16:05Chicago O'Hare Intl
14h 40m
2 stops
DUB12:45Dublin
£357
Find similar
British Airways
31 Oct
DUB18:15Dublin
30h 30m
1 stop
ORD19:45Chicago O'Hare Intl
7 Nov
ORD18:35Chicago O'Hare Intl
16h 25m
2 stops
DUB17:00Dublin
£373
Find similar
British Airways
29 Oct
DUB07:00Dublin
19h 10m
2 stops
ORD21:10Chicago O'Hare Intl
8 Nov
ORD16:06Chicago O'Hare Intl
14h 39m
2 stops
DUB12:45Dublin
£392
Find similar

Delta flights from Dublin to Chicago

Our best Delta deals on Dublin to Chicago flight tickets
Delta
3 Nov
DUB08:50Dublin
11h 30m
1 stop
ORD14:20Chicago O'Hare Intl
10 Nov
ORD17:20Chicago O'Hare Intl
16h 25m
1 stop
DUB15:45Dublin
£343
Find similar
Delta
1 Nov
DUB05:55Dublin
14h 25m
1 stop
ORD15:20Chicago O'Hare Intl
7 Nov
ORD17:20Chicago O'Hare Intl
16h 25m
1 stop
DUB15:45Dublin
£343
Find similar
Delta
31 Oct
DUB05:55Dublin
14h 25m
1 stop
ORD15:20Chicago O'Hare Intl
8 Nov
ORD06:08Chicago O'Hare Intl
19h 37m
1 stop
DUB07:45Dublin
£345
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momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 24 October 2025.
Use the filters below to find and compare flights from Dublin to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 24/12

10:40-13:30

Nonstop8h 50m

Chicago O'Hare Intl

Sat 10/1

18:35-08:10

Nonstop7h 35m

£342

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/11

08:50-14:20

1 stop11h 30m

Chicago O'Hare Intl

Mon 10/11

17:20-15:45

1 stop16h 25m

£343

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/11

08:50-14:20

1 stop11h 30m

Chicago O'Hare Intl

Wed 12/11

18:15-15:45

2 stops15h 30m

£345

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 24/12

18:35-16:20

1 stop27h 45m

Chicago O'Hare Intl

Sat 10/1

18:35-08:10

Nonstop7h 35m

£346

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 24/12

09:00-15:10

1 stop12h 10m

Chicago O'Hare Intl

Sat 10/1

18:35-08:10

Nonstop7h 35m

£348

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/12

15:20-17:55

Nonstop8h 35m

Chicago O'Hare Intl

Mon 8/12

19:40-09:00

Nonstop7h 20m

£350

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/11

10:40-13:30

Nonstop8h 50m

Chicago O'Hare Intl

Sun 9/11

18:35-08:10

Nonstop7h 35m

£352

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 8/11

11:30-14:00

Nonstop8h 30m

Chicago O'Hare Intl

Sat 28/2

21:45-15:40

1 stop11h 55m

£394

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/12

11:30-14:00

Nonstop8h 30m

Chicago O'Hare Intl

Mon 8/12

10:15-08:40

1 stop16h 25m

£407

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 1/4

08:30-15:55

1 stop13h 25m

Chicago O'Hare Intl

Wed 8/4

17:10-14:35

2 stops15h 25m

£412

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Dublin to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Dublin and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from Dublin is in September. Flight prices, which tend to average around £364, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Chicago from Dublin during January instead. Flights to Chicago in January, while not as cheap as those in September, still average around £383.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £544. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Friday, with ticket prices averaging around £595.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as £484 when looking at flights departing in the evening. Flights at midday are often more expensive, with an average ticket price of £596.

What is the cheapest Dublin to Chicago flight route?

Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £452 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Dublin for as low as £401 on momondo.

What cabin class options are available on Dublin to Chicago flights?

There are 3 cabin classes available to choose from on Dublin to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to Chicago flights?

You could potentially save up to 33% on your flight if you consider stops on a Dublin to Chicago flight.

How have Dublin to Chicago flight prices changed over time?

As of October 2025, prices for Dublin to Chicago flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Dublin to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Chicago (DUB to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago

Best price found

£351

Fastest flight time

8h 05m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from Dublin in the past 72 hours is £351. The best return flight deal from Dublin to Chicago found on momondo in the last 72 hours is £454.
The fastest flight from Dublin to Chicago takes 8h 05m
Direct flights go from Dublin to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
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  • How far is Dublin to Chicago by plane?

    The distance between Dublin and Chicago is about 3657.3 mi. By plane, this route typically takes 8h 30m.

  • When did momondo last update prices for flights from Dublin Airport to Chicago?

    Prices for flights from Dublin Airport to Chicago refresh daily.

  • How many operators does momondo search for flights from Dublin Airport to Chicago?

  • How old do you have to be to fly from Dublin Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to Chicago?

  • What is the most popular airline from Dublin to Chicago?

Best airlines flying from Dublin to Chicago

Compare and see reviews for airlines that fly from Dublin to Chicago with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £242Free CancellationRating
7.1
561 reviews
Search Icelandair flights
British AirwaysPriceFrom £301Free CancellationRating
6.7
7,469 reviews
Search British Airways flights
FinnairPriceFrom £317Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
Aer LingusPriceFrom £345Free CancellationRating
7.2
1,353 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £356Free CancellationRating
7.4
8,994 reviews
Search United Airlines flights
American AirlinesPriceFrom £456Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights

  • United Airlines Flights From Dublin to Chicago

    United Airlines operates around 3 flights from Dublin to Chicago every week. The average price of these flights found in the last 72 hours has been £630, but momondo users have found United Airlines deals from Dublin to Chicago from as low as £356 round-trip. United Airlines has been scored 7.4/10 in 8,995 reviews.

  • Aer Lingus Flights From Dublin to Chicago

    Aer Lingus (7.2/10 from 1,353 reviews) operates around 7 flights from Dublin to Chicago in any given week. The average Aer Lingus airfare for this route is around £480, with deals from around £345 rare but found on momondo. Referenced prices are for round-trip Dublin to Chicago flight searches in the last 72 hours.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Chicago . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Dublin to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Dublin with this policy.

How can momondo help me find flights from Dublin to Chicago?

Once all potential Dublin to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Dublin to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport